I would also like to toss in my two cents for "Sketchup discrimination" as it were, as I experience it a lot but from more than just the architects - most of the work I do is in the video games sector, doing free mod work and such on my own projects. I have found that Sketchup is very much looked down upon, because it is so cheap and easy to learn. Many times I have been told to simply get "a real modeling" software suite.
Now, granted, they do have a point when they say that SU simply doesn't have most of the features that the other suites have, and I eagerly await plugins or SU7 to address these shortcomings (bone-based animation support, proper exporters, and even simpler than the already amazing texturing process would do wonders). But most of their comments derive from the simple "it's cheap and easy so how can it be good?" line of thinking.